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Show 116 MR. H. G; F. SPURRELL ON THE [Feb. 6, bitten off for them by the incisors. This they are enabled to do by the angle of the jaw, which places the articulation on a different level from the teeth (text-fig. 38). The closure of the Text-fig. 37. Skull of Dog. A. Glenoid fossa deepened bjr a process of the squamosal hone. B. Cylindrical condyle of lower jaw. Text-fig. 38. Diagram of jaws. Type 2. mouth is effected by the approximation of the points A and B (which correspond mechanically to A and B in text-fig. 36, C being the fulcrum in both diagrams). W h e n the jaws close on an object between them, the pressure |